Step outside on a cold December night when the stars shine bright to find the Big Dipper, Cassiopeia, and Cepheus. They will help you locate a binary star system, a fan-shaped open star cluster, and a variable star. Stay tuned for space-based views of a ragged spiral galaxy, an open star cluster, and an edge-on galaxy.
Credit: NASA and the Office of Public Outreach (STScI) http://www.stsci.edu/
Credit: NASA and the Office of Public Outreach (STScI) http://www.stsci.edu/
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